:enumerator:
:singleton_method: :instance_method: :each: [Object] :feed: [NilClass] :next: [Object] :next_values: [Array] :peek: [Object] :peek_values: [Array] :rewind: [Enumerator] :size: [Integer,INFINITY,NilClass] :with_index: [Object, Enumerator] :with_object: [Object, Enumerator]